Update index with absolute links

build/generate-index.go

@@ -1,33 +1,56 @@
 package main
 
 import (
+	"flag"
 	"fmt"
 	"html/template"
 	"os"
 	"path/filepath"
 	"sort"
+	"strings"
 )
 
 type IndexData struct {
-	Dir   string
-	Files []string
+	Dir      string
+	Files    []FileEntry
+	RootURL  string
 }
 
-func generateIndex(dir string) error {
+type FileEntry struct {
+	Name string
+	URL  string
+}
+
+func generateIndex(dir string, rootURL string) error {
 	entries, err := os.ReadDir(dir)
 	if err != nil {
 		return fmt.Errorf("failed to read directory: %w", err)
 	}
 
-	var files []string
+	// Normalize root URL (remove trailing slash)
+	rootURL = strings.TrimSuffix(rootURL, "/")
+
+	var fileNames []string
 	for _, entry := range entries {
 		name := entry.Name()
 		// Skip the index.html itself and hidden files
 		if name != "index.html" && !filepath.HasPrefix(name, ".") {
-			files = append(files, name)
+			fileNames = append(fileNames, name)
 		}
 	}
-	sort.Strings(files)
+	sort.Strings(fileNames)
+
+	// Build file entries with absolute URLs
+	var files []FileEntry
+	dirName := filepath.Base(dir)
+	for _, name := range fileNames {
+		// URL encode the filename for the path
+		url := fmt.Sprintf("%s/%s/%s", rootURL, dirName, name)
+		files = append(files, FileEntry{
+			Name: name,
+			URL:  url,
+		})
+	}
 
 	templatePath := "build/index.html.tmpl"
 	tmpl, err := template.ParseFiles(templatePath)
@@ -43,8 +66,9 @@ func generateIndex(dir string) error {
 	defer f.Close()
 
 	data := IndexData{
-		Dir:   filepath.Base(dir),
-		Files: files,
+		Dir:     dirName,
+		Files:   files,
+		RootURL: rootURL,
 	}
 
 	if err := tmpl.Execute(f, data); err != nil {
@@ -56,13 +80,19 @@ func generateIndex(dir string) error {
 }
 
 func main() {
-	if len(os.Args) < 2 {
-		fmt.Println("Usage: generate-index <directory> [<directory>...]")
+	rootURL := flag.String("root", "https://ss-6r6jq.ondigitalocean.app", "Root domain URL for absolute links")
+	flag.Parse()
+
+	dirs := flag.Args()
+	if len(dirs) == 0 {
+		fmt.Println("Usage: generate-index [-root <url>] <directory> [<directory>...]")
+		fmt.Println("  -root string")
+		fmt.Println("        Root domain URL for absolute links (default \"https://ss-6r6jq.ondigitalocean.app\")")
 		os.Exit(1)
 	}
 
-	for _, dir := range os.Args[1:] {
-		if err := generateIndex(dir); err != nil {
+	for _, dir := range dirs {
+		if err := generateIndex(dir, *rootURL); err != nil {
 			fmt.Fprintf(os.Stderr, "Error processing %s: %v\n", dir, err)
 			os.Exit(1)
 		}